diff --git a/attn/ti_handler.hpp b/attn/ti_handler.hpp
index 9f70070..4841795 100644
--- a/attn/ti_handler.hpp
+++ b/attn/ti_handler.hpp
@@ -28,7 +28,7 @@
     uint8_t srcFlags;          // 0x09, phyp/opal
     uint8_t numAsciiWords;     // 0x0a, phyp/opal
     uint8_t numHexWords;       // 0x0b, phyp/opal
-    uint8_t hbDumpFlag;        // 0x0c, hostboot only
+    uint8_t hbFlags;           // 0x0c, hostboot only
     uint8_t source;            // 0x0d, hostboot only
     uint16_t lenSrc;           // 0x0e, phyp/opal
     uint32_t srcWord12HbWord0; // 0x10, common
@@ -54,6 +54,10 @@
 };
 #pragma pack(pop)
 
+// TI info defines
+constexpr uint8_t hbDumpFlag       = 0x01;
+constexpr uint8_t hbNotVisibleFlag = 0x02;
+
 // miscellaneous defines
 constexpr uint8_t TI_WITH_PLID = 0x01;
 constexpr uint8_t TI_WITH_SRC  = 0x02;